| /* |
| * Copyright 2018-present Open Networking Foundation |
| |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package omci |
| |
| import ( |
| "encoding/hex" |
| "errors" |
| "fmt" |
| "github.com/google/gopacket" |
| "github.com/opencord/omci-lib-go" |
| me "github.com/opencord/omci-lib-go/generated" |
| "github.com/opencord/voltha-protos/v4/go/openolt" |
| log "github.com/sirupsen/logrus" |
| "strconv" |
| ) |
| |
| func ParseGetRequest(omciPkt gopacket.Packet) (*omci.GetRequest, error) { |
| msgLayer := omciPkt.Layer(omci.LayerTypeGetRequest) |
| if msgLayer == nil { |
| err := "omci Msg layer could not be detected for LayerTypeGetRequest" |
| omciLogger.Error(err) |
| return nil, errors.New(err) |
| } |
| msgObj, msgOk := msgLayer.(*omci.GetRequest) |
| if !msgOk { |
| err := "omci Msg layer could not be assigned for LayerTypeGetRequest" |
| omciLogger.Error(err) |
| return nil, errors.New(err) |
| } |
| return msgObj, nil |
| } |
| |
| func CreateGetResponse(omciPkt gopacket.Packet, omciMsg *omci.OMCI, onuSn *openolt.SerialNumber, mds uint8) ([]byte, error) { |
| |
| msgObj, err := ParseGetRequest(omciPkt) |
| |
| if err != nil { |
| return nil, err |
| } |
| |
| omciLogger.WithFields(log.Fields{ |
| "EntityClass": msgObj.EntityClass, |
| "EntityInstance": msgObj.EntityInstance, |
| "AttributeMask": fmt.Sprintf("%x", msgObj.AttributeMask), |
| }).Trace("received-omci-get-request") |
| |
| var response *omci.GetResponse |
| switch msgObj.EntityClass { |
| case me.Onu2GClassID: |
| response = createOnu2gResponse(msgObj.AttributeMask, msgObj.EntityInstance) |
| case me.OnuGClassID: |
| response = createOnugResponse(msgObj.AttributeMask, msgObj.EntityInstance, onuSn) |
| case me.SoftwareImageClassID: |
| response = createSoftwareImageResponse(msgObj.AttributeMask, msgObj.EntityInstance) |
| case me.IpHostConfigDataClassID: |
| response = createIpHostResponse(msgObj.AttributeMask, msgObj.EntityInstance) |
| case me.UniGClassID: |
| response = createUnigResponse(msgObj.AttributeMask, msgObj.EntityInstance) |
| case me.PhysicalPathTerminationPointEthernetUniClassID: |
| response = createPptpResponse(msgObj.AttributeMask, msgObj.EntityInstance) |
| case me.AniGClassID: |
| response = createAnigResponse(msgObj.AttributeMask, msgObj.EntityInstance) |
| case me.OnuDataClassID: |
| response = createOnuDataResponse(msgObj.AttributeMask, msgObj.EntityInstance, mds) |
| default: |
| omciLogger.WithFields(log.Fields{ |
| "EntityClass": msgObj.EntityClass, |
| "EntityInstance": msgObj.EntityInstance, |
| "AttributeMask": fmt.Sprintf("%x", msgObj.AttributeMask), |
| }).Warnf("do-not-know-how-to-handle-get-request-for-me-class") |
| return nil, nil |
| } |
| |
| pkt, err := Serialize(omci.GetResponseType, response, omciMsg.TransactionID) |
| if err != nil { |
| omciLogger.WithFields(log.Fields{ |
| "Err": err, |
| "TxID": strconv.FormatInt(int64(omciMsg.TransactionID), 16), |
| }).Error("cannot-Serialize-Onu2gResponse") |
| return nil, err |
| } |
| |
| log.WithFields(log.Fields{ |
| "TxID": strconv.FormatInt(int64(omciMsg.TransactionID), 16), |
| "pkt": hex.EncodeToString(pkt), |
| }).Trace("omci-get-response") |
| |
| return pkt, nil |
| } |
| |
| func createOnu2gResponse(attributeMask uint16, entityID uint16) *omci.GetResponse { |
| |
| managedEntity, meErr := me.NewOnu2G(me.ParamData{ |
| EntityID: entityID, |
| Attributes: me.AttributeValueMap{ |
| "ManagedEntityId": entityID, |
| "EquipmentId": toOctets("BBSM", 20), |
| "OpticalNetworkUnitManagementAndControlChannelOmccVersion": 180, |
| "VendorProductCode": 0, |
| "SecurityCapability": 1, |
| "SecurityMode": 1, |
| "TotalPriorityQueueNumber": 1, |
| "TotalTrafficSchedulerNumber": 1, |
| "Deprecated": 1, |
| "TotalGemPortIdNumber": 32, |
| "Sysuptime": 319389947, // NOTE need to be smarter? |
| "ConnectivityCapability": 127, |
| "CurrentConnectivityMode": 5, |
| "QualityOfServiceQosConfigurationFlexibility": 48, |
| "PriorityQueueScaleFactor": 1, |
| }, |
| }) |
| |
| if meErr.GetError() != nil { |
| omciLogger.Errorf("NewOnu2G %v", meErr.Error()) |
| return nil |
| } |
| |
| return &omci.GetResponse{ |
| MeBasePacket: omci.MeBasePacket{ |
| EntityClass: me.Onu2GClassID, |
| }, |
| Attributes: managedEntity.GetAttributeValueMap(), |
| AttributeMask: attributeMask, |
| Result: me.Success, |
| } |
| } |
| |
| func createOnugResponse(attributeMask uint16, entityID uint16, onuSn *openolt.SerialNumber) *omci.GetResponse { |
| |
| managedEntity, meErr := me.NewOnuG(me.ParamData{ |
| EntityID: entityID, |
| Attributes: me.AttributeValueMap{ |
| "ManagedEntityId": entityID, |
| "VendorId": toOctets("BBSM", 4), |
| "Version": toOctets("v0.0.1", 14), |
| "SerialNumber": append(onuSn.VendorId, onuSn.VendorSpecific...), |
| "TrafficManagementOption": 0, |
| "Deprecated": 0, |
| "BatteryBackup": 0, |
| "AdministrativeState": 0, |
| "OperationalState": 0, |
| "OnuSurvivalTime": 10, |
| "LogicalOnuId": toOctets("BBSM", 24), |
| "LogicalPassword": toOctets("BBSM", 12), |
| "CredentialsStatus": 0, |
| "ExtendedTcLayerOptions": 0, |
| }, |
| }) |
| |
| if meErr.GetError() != nil { |
| omciLogger.Errorf("NewOnu2G %v", meErr.Error()) |
| return nil |
| } |
| |
| return &omci.GetResponse{ |
| MeBasePacket: omci.MeBasePacket{ |
| EntityClass: me.OnuGClassID, |
| }, |
| Attributes: managedEntity.GetAttributeValueMap(), |
| AttributeMask: attributeMask, |
| Result: me.Success, |
| } |
| |
| //return &omci.GetResponse{ |
| // MeBasePacket: omci.MeBasePacket{ |
| // EntityClass: me.OnuGClassID, |
| // EntityInstance: entityID, |
| // }, |
| // Attributes: me.AttributeValueMap{ |
| // |
| // }, |
| // Result: me.Success, |
| // AttributeMask: attributeMask, |
| //} |
| } |
| |
| func createSoftwareImageResponse(attributeMask uint16, entityInstance uint16) *omci.GetResponse { |
| // NOTE that we need send the response for the correct ME Instance or the adapter won't process it |
| return &omci.GetResponse{ |
| MeBasePacket: omci.MeBasePacket{ |
| EntityClass: me.SoftwareImageClassID, |
| EntityInstance: entityInstance, |
| }, |
| Attributes: me.AttributeValueMap{ |
| "ManagedEntityId": 0, |
| "Version": toOctets("v0.0.1", 14), |
| "IsCommitted": 1, |
| "IsActive": 1, |
| "IsValid": 1, |
| "ProductCode": toOctets("product-code", 25), |
| "ImageHash": toOctets("broadband-sim", 16), |
| }, |
| Result: me.Success, |
| AttributeMask: attributeMask, |
| } |
| } |
| |
| func createIpHostResponse(attributeMask uint16, entityInstance uint16) *omci.GetResponse { |
| return &omci.GetResponse{ |
| MeBasePacket: omci.MeBasePacket{ |
| EntityClass: me.IpHostConfigDataClassID, |
| EntityInstance: entityInstance, |
| }, |
| Attributes: me.AttributeValueMap{ |
| "ManagedEntityId": 0, |
| "MacAddress": toOctets("aabbcc", 6), |
| }, |
| Result: me.Success, |
| AttributeMask: attributeMask, |
| } |
| } |
| |
| func createUnigResponse(attributeMask uint16, entityID uint16) *omci.GetResponse { |
| managedEntity, meErr := me.NewUniG(me.ParamData{ |
| EntityID: entityID, |
| Attributes: me.AttributeValueMap{ |
| "ManagedEntityId": entityID, |
| "Deprecated": 0, |
| "AdministrativeState": 0, |
| "ManagementCapability": 0, |
| "NonOmciManagementIdentifier": 1, |
| "RelayAgentOptions": 1, |
| }, |
| }) |
| |
| if meErr.GetError() != nil { |
| omciLogger.Errorf("NewUniG %v", meErr.Error()) |
| return nil |
| } |
| |
| return &omci.GetResponse{ |
| MeBasePacket: omci.MeBasePacket{ |
| EntityClass: me.UniGClassID, |
| }, |
| Attributes: managedEntity.GetAttributeValueMap(), |
| AttributeMask: attributeMask, |
| Result: me.Success, |
| } |
| } |
| |
| func createPptpResponse(attributeMask uint16, entityID uint16) *omci.GetResponse { |
| managedEntity, meErr := me.NewPhysicalPathTerminationPointEthernetUni(me.ParamData{ |
| EntityID: entityID, |
| Attributes: me.AttributeValueMap{ |
| "ManagedEntityId": entityID, |
| "ExpectedType": 0, |
| "SensedType": 0, |
| "AutoDetectionConfiguration": 0, |
| "EthernetLoopbackConfiguration": 0, |
| "AdministrativeState": 0, |
| "OperationalState": 0, |
| "ConfigurationInd": 0, |
| "MaxFrameSize": 0, |
| "DteOrDceInd": 0, |
| "PauseTime": 0, |
| "BridgedOrIpInd": 0, |
| "Arc": 0, |
| "ArcInterval": 0, |
| "PppoeFilter": 0, |
| "PowerControl": 0, |
| }, |
| }) |
| |
| if meErr.GetError() != nil { |
| omciLogger.Errorf("NewPhysicalPathTerminationPointEthernetUni %v", meErr.Error()) |
| return nil |
| } |
| |
| return &omci.GetResponse{ |
| MeBasePacket: omci.MeBasePacket{ |
| EntityClass: me.PhysicalPathTerminationPointEthernetUniClassID, |
| }, |
| Attributes: managedEntity.GetAttributeValueMap(), |
| AttributeMask: attributeMask, |
| Result: me.Success, |
| } |
| } |
| |
| func createAnigResponse(attributeMask uint16, entityID uint16) *omci.GetResponse { |
| managedEntity, meErr := me.NewAniG(me.ParamData{ |
| EntityID: entityID, |
| Attributes: me.AttributeValueMap{ |
| "ManagedEntityId": entityID, |
| "SrIndication": 0, |
| "TotalTcontNumber": 0, |
| "GemBlockLength": 0, |
| "PiggybackDbaReporting": 0, |
| "Deprecated": 0, |
| "SignalFailThreshold": 0, |
| "SignalDegradeThreshold": 0, |
| "Arc": 0, |
| "ArcInterval": 0, |
| "OpticalSignalLevel": 0, |
| "LowerOpticalThreshold": 0, |
| "UpperOpticalThreshold": 0, |
| "OnuResponseTime": 0, |
| "TransmitOpticalLevel": 0, |
| "LowerTransmitPowerThreshold": 0, |
| "UpperTransmitPowerThreshold": 0, |
| }, |
| }) |
| |
| if meErr.GetError() != nil { |
| omciLogger.Errorf("NewAniG %v", meErr.Error()) |
| return nil |
| } |
| |
| return &omci.GetResponse{ |
| MeBasePacket: omci.MeBasePacket{ |
| EntityClass: me.AniGClassID, |
| }, |
| Attributes: managedEntity.GetAttributeValueMap(), |
| AttributeMask: attributeMask, |
| Result: me.Success, |
| } |
| } |
| |
| func createOnuDataResponse(attributeMask uint16, entityID uint16, mds uint8) *omci.GetResponse { |
| managedEntity, meErr := me.NewOnuData(me.ParamData{ |
| EntityID: entityID, |
| Attributes: me.AttributeValueMap{ |
| "ManagedEntityId": entityID, |
| "MibDataSync": mds, |
| }, |
| }) |
| |
| if meErr.GetError() != nil { |
| omciLogger.Errorf("NewOnuData %v", meErr.Error()) |
| return nil |
| } |
| |
| return &omci.GetResponse{ |
| MeBasePacket: omci.MeBasePacket{ |
| EntityClass: me.OnuDataClassID, |
| }, |
| Attributes: managedEntity.GetAttributeValueMap(), |
| AttributeMask: attributeMask, |
| Result: me.Success, |
| } |
| } |
| |
| func toOctets(str string, size int) []byte { |
| asciiBytes := []byte(str) |
| |
| if len(asciiBytes) < size { |
| missing := size - len(asciiBytes) |
| for i := 0; i < missing; i++ { |
| asciiBytes = append(asciiBytes, []byte{0x00}[0]) |
| } |
| } |
| return asciiBytes |
| } |